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(11)

EP 2 038 991 A2

(12)

(88) Date of publication A3: 09.10.2008 (43) Date of publication: 25.03.2009 Bulletin 2009/13 (21) Application number: 07809901.7 (22) Date of filing: 26.06.2007

(51) International Patent Classification (IPC):  H02M 3/335(2006.01) H02M 5/42(2006.01) H02M 7/68(2006.01) H02J 7/16(2006.01) H02M 3/24(2006.01) H02M 7/44(2006.01) H02J 7/02(2006.01) (86) International application number: PCT/US2007/014816 (87) International publication number: WO 2008/002566 (03.01.2008 Gazette 2008/01)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 26.06.2006 US 816418 P 19.01.2007 US 881261 P (71) Applicant: BATTELLE MEMORIAL INSTITUTE Columbus, OH 43201-2693 (US)	(72) Inventors: MOWRER, Matthew St. Clairsville, OH 43950 (US) DVORSKY, James, E. Hilliard, OH 43026 (US) LIND, James, J. Lenexa, KS 66219 (US) SCHULTE, Stephen Harrison, OH 45030 (US) (74) Representative: Clark, Jane Anne  Mathys & Squire LLP 120 Holborn London EC1N 2SQ 120 Holborn London EC1N 2SQ (GB)